1. Wrong credit card type. Reason: The credit card used is not Visa or MasterCard. Suggestion: Please ask the buyer to use Visa or MasterCard to pay again, or change other payment methods.

2. Online banking function is not enabled, because online banking is not enabled for credit cards. Suggestion: Please ask the buyer to pay again after opening online banking, or change other credit cards or other payment methods.

3. The issuing bank is not authorized. Reason: The credit card issuer is not authorized. Suggestion: Please contact the credit card issuing bank for authorization before re-payment, or change other credit cards or other payment methods.

4. Insufficient balance. Reason: the credit card balance is insufficient. Suggestion: Please ask the buyer to recharge the credit card before paying again, or replace it with other credit cards or other payment methods.

5. The account information is incorrect. Reason: The credit card account information is incorrect. Suggestion: Ask the buyer to check whether the key information entered in credit card payment is correct (such as card number, expiration date, CVV2/CVC, cardholder's name, billing address, etc.). ), or change to other credit cards or other payment methods.

6. Safety reason: Risk control failed. Suggestion: Please ask the buyer to try to change other payment methods and re-operate, such as using wire transfer.

Super letter of credit is based on Alibaba's comprehensive foreign trade service platform [1]. Super L/C helps export enterprises to solve the risk and capital problems in L/C transactions, aiming at providing one-stop L/C basic services and financing services for small and medium-sized enterprises, including document examination, preparation, document examination and document delivery.